Across
- 3. factors in the environment that are living
- 5. a living organism that produces its own food through photosynthesis
- 6. constant recycling of this element through an ecosystem
- 7. the variety of life and its processes
- 12. a living organisms that is so small it must be viewed by a microscope
- 15. a single, living thing
- 18. the movement of individuals out of a population
- 19. an individual animal, plant, or single celled life form
- 21. part of a plant that absorbs water and minerals and anchors it to the environment
- 24. the process by which green plants transform light energy to chemical energy to supply their food
- 25. the number of births within a population
- 30. a system of interdependent food chains
- 31. the spacing of individuals within a population across an environment
- 33. zone where sunlight enters the water
- 34. a simple, nonflowering aquatic plant
- 38. producers that produce their own food through photosynthesis
- 39. the study of how organisms interact with their environment
- 41. both species benefit (win/win)
- 42. resources and other factors in the environment that can lower the population growth rate
- 43. cells in the leaf that make the plant a green pigment
Down
- 1. competition between members of the same species
- 2. a role a species plays in an ecosystem
- 4. zone where sunlight cannot enter the water
- 7. a term used to describe organisms that occupy a certain area
- 8. two or more populations of a different species that occupy the same space at the same time
- 9. biomes that are water-based
- 10. the number of individuals that make up a population
- 11. the surroundings or conditions factors live in
- 13. one species benefits while the host species is harmed (win/lose)
- 14. part of a plant that protects the seeds
- 16. the movement of individuals into a population
- 17. a term used to describe the combination of every ecosystem on the planet with biotic and abiotic factors
- 20. factors in the environment that are not living
- 22. part of a plant that changes sunlight into energy through photosynthesis
- 23. the predator eats part of its prey but does not kill it
- 26. when a predator kills and eats it prey successfully
- 27. a sequence of organisms that are dependent on the next organism for food
- 28. organisms that obtain their energy by breaking down dead organisms
- 29. biomes that cover an area of land with similar communities of plants and animals
- 31. the number of deaths within a population
- 32. the complere disappearance of a species
- 35. competition between members of different species
- 36. a species of organism that spreads in an area where it is not native
- 37. rise in Earth's temperature due to the buildup of carbon dioxide
- 40. one species benefits while the other one is not affected (win/no win or lose)
- 44. the phsycial area where a species lives